学习实践七年级英语下册Unit6 Electricity期末知识点汇总.docx

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学习实践七年级英语下册Unit6 Electricity期末知识点汇总.docx

学习实践七年级英语下册Unit6Electricity期末知识点汇总

七年级英语下册Unit6Electricity期末知识点汇总

  七年级英语下册Unit6Electricity期末知识点汇总

  1.

  moment可数名词,意为”瞬间;片刻”如:

I’dliketotalktoyouforamoment.

  与moment相关的短语:

  amomentago

  刚刚;刚才

  如:

Hewashereamomentago.

  atthemoment

  现在;此刻

  如:

Heisathomeatthemoment.

  waitamoment

  等一会儿

  如:

waitamoment,please.

  later副词,意为”后来;以后”

  2.

  atthemoment

  此时此刻;forthemoment暂时;inamoment

  过一会儿;atanymoment任何时刻

  3.

  apacketof

  一袋

  不可数名词没有复数形式,在表示数量时,常用“a+单位量词+of+不可数名词”结构。

  如:

apieceofmeat;

  apieceofpaper;

  aglassofapplejuice;

  abagofmilk

  数词+单位量词+of+不可数名词\可数名词复数

  如:

twoglassesofwater;

  threecupsoftea;

  twopacketsofsweets;

  threebagsofpencils

  4.

  inaway在某种程度上

  ontheway在路上;

  intheway挡道;

  inthisway这边走;

  bytheway顺便问下

  5.

  connect连接…

  常用结构:

beconnectedtosth.连接到……

  connectsth.to/with…把…和…连接起来.

  如:

TurnonyourcomputerandconnectittotheInternet.

  TherailwaylineconnectswuhantoShanghai.

  6.

  powerstation

  发电站

  7.

  washingmachine洗衣机

  8.

  switchoff=turnoff

  关掉

  9.

  tidyup

  收拾整理=putaway

  0.

  aircondition

  空调

  1.

  comeinto

  进入……之内

  2.

  providesb.withsth.

  供应给某人某物

  如:

Thesunprovidesuswithlightandheat.

  “为某人提供某物”还可以用providesth.forsb.

  3.

  “asmany+复数名词+as”

  意为”和……一样多的…”

  如:

Ihaveasmanybooksasyou.

  我和你有一样多的书.

  “asmuch+不可数名词+as”

  意为”和…一样多的…”

  如:

mybrotherdrinksasmuchmilkasIeveryday.

  4.

  sharesth.withsb.

  

  与某人合用/分享某物

  5.

  “keep+sb./sth.+形容词”

  意为“让某人/某物保持某种状态”。

  keepdoingsth.

  连续不断地做某事,一直做。

强调不断重复的动作。

  如:

LiLeikeepsbuyingbooksaboutcars.李雷不断地买有关车的书。

  keepsb./sth.doingsth.

  让某人不断地做某事

  keepsb.fromdoingsth.

  阻止某人做某事

  如:

wemustkeepthemfromgettingtoknowourplans.我们必须防止他们知道我们的计划。

  6.

  atleast

  至少

  7.

  makesure

  务必,确信

  keygrammar

  情态动词

  一、情态动词的定义

  情态动词是一类用于表示说话人的语气和情态的助动词。

常表示命令、请求、拒绝、义务、可能、需要等。

  二、情态动词的特点

  .情态动词无人称和数的变化,

  2.情态动词后面跟的动词需用原形,否定式构成是在情态动词后面加"not"。

  3.个别情态动词有过去式,过去式用来表达更客气,委婉的语气,时态性不强,可用于过去,现在。

  三、情态动词的用法

  .can/could;

  can’t/couldn’t

  )表示能力,意为“能、会”,例如:

  如:

IcanspeakalittleEnglish.

  --canyourideabike?

  Ican’tswim.

  

  --yes,Ican./No,Ican’t.

  2)表示请求或允许,多用于口语中,意为“可以、能”等

  如:

youcangohomenow.现在你可以回家了

  --canIborrowyourbike?

  youcan’tstopyourcarhere.

  --yes,youcan./No,youcan’t.

  3)用于否定句、疑问句中,表示猜测、怀疑或不肯定.

  如:

Lucycan’tbeathomenow,shewenttotheparkjustnow.

  wherecanitbe?

Ican’tfindmyfootball.

  【注意:

  )

  could是can的过去式,有两种用法,一种表示过去式;一种用来表达更加客气,委婉的语气,时态性不强,可用于过去,现在。

  2)beableto意为“有能力,能够做...”,相当于can/could,但它有人称,数和时态的变化。

  2.may;

  maynot

  )表示“请求,许可”,此时与can同义,可以互换使用

  如:

mayIborrowyourbike?

  canIborrowyourbike?

  yes,youmay./No,youmaynot.

  yes,youcan./No,youcan’t.

  2)may/might表示不太肯定的猜测,意为“有可能”

  如:

Lucymaycometoschoollatetoday.

  Itmightraintoday.

  【注意】:

might是may的过去式,有两种用法,一种表示过去式,一种表示更加委婉,客气的语气或对可能性的怀疑。

  3.must;

  mustn’t

  )must,mustn’t

  如:

youmustgotobedbefore22:

00pm.

  youmustn’tplaywithfire.It’sdangerous!

  --mustIwritedownthesentences?

  --No,youneedn’t.

  注意:

在回答must的疑问句中,否定回答用needn’t或don’thaveto表示“不必”,不用mustn’t

  2)must还可以表示非常肯定的猜测,意为“一定”

  如:

ThegirlinaredskirtmustbeLucy.

  3)must/haveto的区别:

  ①.must表示必须,强调主观上的愿望;haveto表示“不得不”,强调客观需要

  如:

youmustgobebedbefore22:

00pm.

  mybikeisbroken,soIhavetogotoschoolonfoot.

  ②.haveto有人称、数、时态的变化;must则没有。

  如:

Ihavetocleantheclassroomtoday.

  

  Shehastofinishherhomeworkfirst.

  Itwaslate,hehadtogotoschoolwithoutbreakfast.

  Practice

  一、选择填空:

  1.mummakesmeeatanappleeveryday______thedoctoraway.

  A.

  keeps

  B.iskept

  c.tokeep

  D.kept

  2.I’mgettingfatterandfatternow.whatshouldIdo,doctor?

  --you’dbettereat______foodandtake______exercise.

  A.less;less

  B.more;more

  c.more;less

  D.less;more

  3.---whatcanIdoforyou?

  ---I’dliketwo_______.

  A.

  packetoftea

  B.packetsofapple

  c.packetsoftea

  D.packetofapples

  4.watercomestoourflats__________pipesunderthestreets.

  A.across

  B.along

  c.through

  D.over

  5.Andywanglooks_________today.Heislaughingalltheway.

  A.happy

  B.happily

  c.sad

  D.sadly

  6.Thecomputerisconnected_______amachine.

  A.

  at

  B.to

  c.on

  D.in

  7.ourheadteacheriskindtousandsheislikeourmother,_____.

  A.

  ontheway

  B.bytheway

  c.inaway

  D.intheway

  8.________youshowmethewaytothenearestundergroundstation?

  A.may

  B.must

  c.can

  D

  should

  9.Electricity__________ourlifeeasier,wemustsaveit.

  A.make

  B.makes

  c.ismaking

  D.made

  10.jasonputsomericeinthepotand__________thericecooker.

  A.opened

  B.switchedon

  c.closed

  D.turnedoff

  11.Iwashedalotofclothes.whocan_______?

  A.

  tidyupthem

  B.tidythemup

  c.tidyitup

  D.tidyupit

  12.Iaskedhimtwice.Buthedidn’t______myquestions.

  A.

  answers

  B.answerto

  c.reply

  D.replyto

  13.Thereare_________syllablesintheword“chemical”.

  A.two

  B.three

  c.four

  D.eight

  14.—john:

mayIhaveapacketofsweets?

  —Shopassistant:

________________

  A.No,itisnotyours

  B.ok,hereyouare

  c.That’sagoodidea

  D.whynot?

  15.EarthHourstartedinXXin________.

  A.theUSA

  B.china

  c.theUk

  D.Australia

  二、用同义词(组)替代句中的划线部分。

  .“Idon’tthinkitisagoodwaytoworkouttheproblem.”repliedmrwhite.

  A.said

  B.answered

  c.asked

  D.thought

  2.Don’tlooksofoolish.Itisaveryeasyquestion.

  A.silly

  B.happy

  c.clever

  3.----canIaskyouaquestion?

  ----waitforamoment,I’mcoming.

  A.alongtime

  B.ashorttime

  c.atonce

  4.Theboyislikehisfather.

  A.likes

  B.soundslike

  c.lookslike

  5.youneedn’tfinishtheworktoday.

  A.don’thaveto

  B.can’t

  c.mustn’t

  三、用单词的适当形式填空:

  yaomingisverytall.Heisat______twometrestall.

  2withthis_______blanket,thegrandpawon'tfeelcoldinwinter.

  3It’s_____________ofyoutobuysuchadress.Itlookssougly

  4Theremotecontroldoesn’tworknow.Ithinkweneedtochangethetwo_________init

  5yourroomisdirtyand_____________.Ithinkyouknowwhatyouneedtodonow

  6.Amoment_____,Daisycameback.

  7.Benny______“canyougetmeabagofsweets?

  8.canTom_____English?

  9.Electricityisveryhelpful,butwemustrememberthe_____rules.

  0.wemustn’ttouchtheTVsetwithourwet______becauseitisdangerous.

  四、语法,情态动词专练

  .----mayIborrowyourbooks?

  ----yes,you______

  .

  A.may

  B.can

  c.must

  D.need

  2.

  ---canhespeakEnglish?

  ----________.

  A.yes,hedoes

  B.yes,hedid

  c.yes,hecan

  D.yes,hemust

  3.

  ----_______Iswimhere?

  ----I’msorry.children_____swimalonehere.

  A.must;can’t

  B.may;must

  c.can;mustn’t

  D.can’t;can

  4.withthehelpofthenewtechnology,you_____e-mailyourfriendsbymobilephone.

  A.can

  B.must

  c.need

  D.should

  5.----canIgofishingwithyou,Dad?

  -----No,you_____.you______stayathomeanddoyourhomework.

  A.won’t;may

  B.can’t;must

  c.shouldn’t;ought

  D.needn’t;should

  6.Thomas,pleasebequiet.Theothers_____hearverywell.

  A.can’t

  B.mustn’t

  c.shouldn’t

  D.needn’t

  7.It’sverywarmtoday.you____wearthecoat.

  A.must

  B.don’thaveto

  c.haveto

  D.mustn’t

  8.Lookatthatmanoverthere.

  hebeourteachermr.Luo?

  --He

  behim.HehasgonetoBeijing.

  A.may;must

  B.can;may

  c.can;can’t

  D.may;can’t

  9.you_____talkloudlyinthelibrary.

  A.don’t

  B.mustn’t

  c.needn’t

  D.don’thaveto

  0._____climbthattalltree?

  A.Doyouneed

  B.Areyouneed

  c.Need

  you

  D.Needyouto

  1.Somewarm-heartedanimals___hibernate

  A.needn’t

  B.doesnotneedto

  c.needn’tto

  D.don’tneed

  2.____I

  goandapologizetomyteacherformymistake?

  A.Should

  B.Need

  c.can

  D.may

  3.They_____dowellintheexam.

  A.canbeableto

  B.beableto

  c.areableto

  D.amableto

  4.mustIretrunthemagazinetoyourightnow,Sandy?

  No,you______.you_____keepituntilnextwednesday.

  A.mustn’t;may

  B.needn’t;must

  c.needn’t;can

  D.can’t;may

  5.

  Ichangethebulbnow?

  --No,youmaynot.

  you

  switchofftheelectricity.

  A.can;need

  B.may;must

  c.must;must

  D.can;must

  6.john____cometoseeustonight,butheisn’tverysureyet.

  A.may

  B.can

  c.hasto

  D.must

  7.----IsTomathomenow?

  ----He

  beathomenow.BecauseI

  hisroomjustnow

  andheanswered.

  A.must;called

  B.can’t;phone

  c.may;called

  D.must;phoned

  8.ShallItellTomsomethingaboutit?

  --No,you

  .

  A.mustn’t

  B.needn’t

  c.can’t

  D.won’t

  9.mymotherisill.SoI

  tolookaftermylittlebrother.

  A.must

  B.may

  c.haveto

  D.should

  20.you____goandseeadoctoratoncebecauseyou’vegotafever.

  A.can

  B.must

  c.dare

  D.would

  

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